Ungraded vs Grade 8.0 Black Cat #40 (1952): price difference

Black Cat #40 (1952) value — Ungraded $105 vs Grade 8.0 $360. Grade 8.0 sells for 3.43× Ungraded (+243%). Prices updated July 2026.

GradeSold medianvs Ungraded
Ungraded$105eBay ↗
Grade 6.0$3002.86× · +186%eBay ↗
Grade 8.0$3603.43× · +243%eBay ↗

Medians of real sold listings per grade, updated July 2026 how we compute values.

Ungraded vs Grade 8.0
$105$360

Grade 8.0 sells for 3.43× (+243%) the Ungraded price — a $255 difference per comic.

Ungraded vs Grade 6.0
$105$300

Grade 6.0 sells for 2.86× (+186%) the Ungraded price — a $195 difference per comic.

Should you get this comic graded?

Grading runs about $30 per comic all-in. On Black Cat #40 (1952), the jump from Ungraded to Grade 8.0 is worth $255 (3.43×) — if your copy grades at the top, that premium can cover the fee. A grade below the top one changes the math, so run your exact numbers first.

Run the grading break-even math →
See current eBay listingsSee sold Black Cat #40 (1952) listings ↗Full Black Cat #40 (1952) price guide →

Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).